Issue with capturing events in Angular through emitting events

Apologies for my inexperience with Angular (V12), if I am not explaining my issue clearly. I am facing a problem with the $Event not capturing the custom object data emitted from another component. Upon setting up the function in the parent component, I encounter the error: "error is not assignable to parameter of type 'CustomObj'. Type 'Event' is missing properties like prop1, prop2." Despite seeing my properties successfully stored and passed on during a console.log before emitting, I struggle to display them.

Child Component emission:

   onUpdate(myObject: objectInformation)
{
   this.edit.emit(myObject);
   console.log(this.myObject);
  }

Parent component:

HTML

<app-edit-task (edit) = "onEdit($event)"></app-edit-task>

TS

onEdit(myObject: objectInformation){
    this.currentObject= myObject;
    console.log(this.currentObject);
  }

Answer №1

It appears that the @Output has not been shared, so it's important to verify if the event emitter is emitting the correct type:

@Output() newItemEvent = new EventEmitter<objectInformation>();

Additionally, if objectInformation is an object, it might be beneficial to consider capitalizing it as ObjectInformation.

Regarding the issue at hand:

  onUpdate(myObject: objectInformation){
     this.edit.emit(myObject);
     console.log(this.myObject);
  }

The reason why the console log is working as expected is due to the usage of this.myObject instead of just myObject.

A bit more clarity on the use of this: when utilizing this, you are referencing the variable myObject from your global scope rather than accessing the local scope variable.

If the parameter myObject: objectInformation is not required, it can be removed and you can emit your variable myObject from the global scope like so:

 onUpdate(){
   this.edit.emit(this.myObject);
 }

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